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| 1 | <?php |
| 2 | /** |
| 3 | * Force-override controls for the activation / update guards. |
| 4 | * |
| 5 | * @package automattic/jetpack-mu-wpcom |
| 6 | */ |
| 7 | |
| 8 | add_action( 'admin_post_pcg_force_set_bypass', 'pcg_force_handle_set_bypass' ); |
| 9 | |
| 10 | const PCG_FORCE_BYPASS_TTL = 600; |
| 11 | |
| 12 | /** |
| 13 | * True when the current request is allowed to skip PCG checks, either |
| 14 | * via an explicit `pcg_force=1` flag on the current action's nonce or |
| 15 | * a short-lived per-user bypass transient. |
| 16 | * |
| 17 | * @param string $cap Capability the caller requires (e.g. `activate_plugins`, `update_plugins`). |
| 18 | * @return bool |
| 19 | */ |
| 20 | function pcg_force_override_active( $cap ) { |
| 21 | if ( ! is_user_logged_in() || ! current_user_can( $cap ) ) { |
| 22 | return false; |
| 23 | } |
| 24 | |
| 25 | // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- the surrounding action's own nonce gates the request; pcg_force is just a hint. |
| 26 | $force = sanitize_text_field( wp_unslash( $_REQUEST['pcg_force'] ?? '' ) ); |
| 27 | if ( '1' === $force ) { |
| 28 | pcg_log_event( 'Force override used', array( 'source' => 'pcg_force_flag' ) ); |
| 29 | return true; |
| 30 | } |
| 31 | |
| 32 | if ( get_transient( pcg_force_bypass_key() ) ) { |
| 33 | pcg_log_event( 'Force override used', array( 'source' => 'bypass_transient' ) ); |
| 34 | return true; |
| 35 | } |
| 36 | |
| 37 | return false; |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Per-user transient key for the time-boxed bypass. |
| 42 | * |
| 43 | * @return string |
| 44 | */ |
| 45 | function pcg_force_bypass_key() { |
| 46 | return 'pcg_force_bypass_' . get_current_user_id(); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Admin-post handler — sets the bypass transient and redirects back. |
| 51 | * |
| 52 | * @return never |
| 53 | */ |
| 54 | function pcg_force_handle_set_bypass(): never { |
| 55 | if ( |
| 56 | ! current_user_can( 'activate_plugins' ) |
| 57 | && ! current_user_can( 'update_plugins' ) |
| 58 | && ! current_user_can( 'install_plugins' ) |
| 59 | && ! current_user_can( 'upload_plugins' ) |
| 60 | ) { |
| 61 | wp_die( esc_html__( 'You do not have permission to do that.', 'jetpack-mu-wpcom' ), 403 ); |
| 62 | } |
| 63 | check_admin_referer( 'pcg_force_set_bypass' ); |
| 64 | |
| 65 | set_transient( pcg_force_bypass_key(), 1, PCG_FORCE_BYPASS_TTL ); |
| 66 | pcg_log_event( 'Force bypass enabled', array( 'ttl' => PCG_FORCE_BYPASS_TTL ) ); |
| 67 | |
| 68 | $redirect = isset( $_REQUEST['_wp_http_referer'] ) |
| 69 | ? wp_validate_redirect( esc_url_raw( wp_unslash( $_REQUEST['_wp_http_referer'] ) ), self_admin_url( 'plugins.php' ) ) |
| 70 | : self_admin_url( 'plugins.php' ); |
| 71 | wp_safe_redirect( add_query_arg( 'pcg_bypass_enabled', '1', $redirect ) ); |
| 72 | exit; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Render the inline "Disable check for 10 minutes" form. Posts to |
| 77 | * admin-post.php so the handler can set the transient and redirect. |
| 78 | */ |
| 79 | function pcg_force_render_bypass_form() { |
| 80 | ?> |
| 81 | <form method="post" action="<?php echo esc_url( admin_url( 'admin-post.php' ) ); ?>" style="display:inline;"> |
| 82 | <input type="hidden" name="action" value="pcg_force_set_bypass" /> |
| 83 | <?php wp_nonce_field( 'pcg_force_set_bypass' ); ?> |
| 84 | <button type="submit" class="button-link"> |
| 85 | <?php esc_html_e( 'Disable checks for 10 minutes', 'jetpack-mu-wpcom' ); ?> |
| 86 | </button> |
| 87 | </form> |
| 88 | <?php |
| 89 | } |